var PersonClass= require('./homework1-1.js');
var personObj= require('./homework1-2.js');
var personArray= require('./homework1-3.js');
var personArrayObj= require('./homework1-4.js');

var person = new PersonClass();
person.eat();
person.say();
personObj.Person.eat();
personObj.Person.say();
console.info(personArray);
console.info(personArrayObj.arr);